.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}
.txh{
	display: flex;
}
html,doby{
	width: 100%;
	height: 100%;
    background: #f7f7f7;
}
#box{
	header{
		.px2rem(height,84);
		.px2rem(line-height,84);
		width: 100%;
		position: fixed;
		top: 0;
		left: 0;
		background: #fff;
		border-bottom: 1px solid #ccc;
		ul{
            .txh;
            justify-content:space-between;
			li{
              .px2rem(margin-left,30);
		      .px2rem(margin-right,30);
		      .px2rem(font-size,30);
			}
		}

	}
	section{
		flex:1;
		height: 100%;
		.px2rem(margin-top,84);
		.px2rem(margin-bottom,84);
	    .one{
	     	.px2rem(height,150);
	     	.px2rem(line-height,150);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	span{
	     		margin-left: 7%;
	     	}
	     	input{
	     		width: 70%;
	     		.px2rem(height,70);
	     		border:1px solid #ccc;
	     		.px2rem(border-radius,15);
	     		color: #ccc;
	     	}
	     }
	     .two{
	     	.px2rem(height,150);
	     	.px2rem(line-height,150);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	span{
	     		margin-left: 7%;
	     	}
	     	input{
	     		width: 50%;
	     		.px2rem(height,70);
	     		border:1px solid #ccc;
	     		.px2rem(border-radius,15);
	     		color: #ccc;
	     	}
	     }
	     .three{
	     	.px2rem(height,285);
	     	.px2rem(line-height,100);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	p{
	     		margin-left: 7%;
	     	}
	     	span{
	     		img{
	     			width: 40%;
	     			height: 60%;
	     			margin-left: 5%;
	     		}
	     	}
	     }
	     .threer{
	     	.px2rem(height,600);
	     	.px2rem(line-height,100);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	p{
	     		margin-left: 7%;
	     	}
	     	span{
	     		img{
	     			width: 80%;
	     			height: 80%;
	     			margin-left:10%;
	     		}
	     	}
	     }
	     .for{
	     	.px2rem(height,130);
	     	.px2rem(line-height,130);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	span{
	     		margin-left: 7%;
	     	}
	     	input{
	     		width: 50%;
	     		.px2rem(height,70);
	     		border:1px solid #ccc;
	     		.px2rem(border-radius,15);
	     		color: #ccc;
	     	}
	     }
	       .four{
	     	.px2rem(height,150);
	     	.px2rem(line-height,150);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	span{
	     		margin-left: 7%;
	     	}
	     	b{
	     		color: blue;
	     	}
	     }
	     .fou{
	     	.px2rem(height,510);
	     	border-bottom: 2px solid #ccc;
	     	
	     	button{
	     		width: 30%;
	     		.px2rem(height,75);
	     		.px2rem(font-size,30);
	     		margin-left: 5%;
	     		margin-top: 3%;
	     		.px2rem(border-radius,15);
	     	}
	     }
	        .five{
	     	.px2rem(height,150);
	     	.px2rem(line-height,150);
	     	border-bottom: 2px solid #ccc;
	     	.px2rem(font-size,30);
	     	input{
	     		width: 20%;
	     		height: 20%;
	     	}
	     	
	     	b{
	     		color: blue;
	     	}
	     }
	     .six{
	     	button{
	     		width: 90%;
	     		.px2rem(height,93);
	     		.px2rem(font-size,30);
	     		margin-left: 5%;
	     		color: #fff;
	     		background: #ffa200;
	     		.px2rem(border-radius,15);
	     	}
	     }
}
}